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4 serial ports – ICP DAS USA SAGP-845EV User Manual

Page 18

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3.4 Serial Ports

SAGP-845EV offers two high speed NS16C550 compatible
UARTs with Read/Receive 16-byte FIFO serial ports.


COM1 10-pin Connector

PIN NO.

DESCRIPTION

1

DATA CARRIER DETECT (DCD)

2

RECEIVE DATA (RXD)

3

TRANSMIT DATA (TXD)

4

DATA TERMINAL READY (DTR)

5 GROUND
6

DATA SET READY (DSR)

7

REQUEST TO SEND (RTS)

8

CLEAR TO SEND (CTS)

9

RING INDICATOR (RI)

10 NC



1

6

5

10